贴片二极管三极管代码手册

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1、http://www.elecfans.com属于电子发烧友的电子世界THESMDCODEBOOKSMDCodes.SMDdevicesare,bytheirverynature,toosmalltocarryconventionalsemiconductortypenumbers.Instead,asomewhatarbitrarycodingsystemhasgrownup,wherethedevicepackagecarriesasimpletwo-orthree-characterIDcode.Identifyingthemanufacturers'typenu

2、mberofanSMDdevicefromthepackagecodecanbeadifficulttask,involvingcombingthroughmanydifferentdatabooks.ThisHTMLbookisdesignedtoprovideaneasymeansofdeviceidentification.Itlistswellover3,400devicecodesinalphabeticalorder,togetherwithtypenumbers,devicecharacteristicsorequivalentsandpinoutinfo

3、rmation.HowtousetheSMDCodebookToidentifyaparticularSMDdevice,firstidentifythepackagestyleandnotetheIDcodeprintedonthedevice.Nowlookupthecodeinthealphanumericlistingwhichformsthemainpartofthisbookbyclickingonthefirstcharactershownintheleft-menu.Unfortunately,eachdevicecodeisnotnecessarily

4、unique.Forexampleadevicecoded1AmightbeeitheraBC846AoraFMMT3904.Eventhesamemanufacturermayusethesamecodefordifferentdevices!http://www.elecfans.com属于电子发烧友的电子世界Ifthereismorethanoneentry,usethepackagestyletodifferentiatebetweendeviceswiththesameIDcode.ThiscompilationhasbeencollectedfromRPBl

5、ackwellG4PMK,manufacturers'dataandothersourcesofSMDdeviceIDcodes,pinoutandleadeddeviceequivalentinformation.TheentriesundertheManufacturercolumnarenotintendedtobecomprehensive;rathertheyareintendedtoprovidehelponlocatingsourcesofmoredetailedinformationifyourequireit.IDCodeVariationsManym

6、anufacturersuseanextraletterastheirownidentificationcode.IfthedeviceisfromPhilipsitwillsometimeshavealowercase'p'(orsometimes't')addedtothecode;Siemensdevicesusuallyhavealowercase's'.Forexample,ifthecodeis1A,accordingtothetablethereareanumberofpossibilities:·1ABC846APhiITTNBC546A·1AFMMT3

7、904ZetN2N3904·1AMMBT3904MotN2N3904·1AIRLML2402IRFn-chmosfet20V0.9AThishasbeenaprobleminthepast,howeverrecentlymanufacturershavebeenaddinglowercaseletterswhichclarifythecode.CManyrecentMotoroladeviceshaveasmallsuperscriptletterafterthedevicecode,suchasSA.(Thissmallerletter